As for "social justice," they encourage giving to Catholic charities. I have never heard anything in favor of government social programs at church.
However, the Church does seem to advocate an open border policy (if I've understood their position correctly, that is) - so I agree with that part of your statement. But that issue is not as important to the Church as the other issues, on which they take a position more in line with the Republican party.
Bottom line: Catholics who vote Dem probably aren't doing so because they're Catholic; they just happen to be Catholic, and there's another reason they're voting Dem.
Sadly, it seems my kind of productive protestant can’t escape the shiftless grifters.
I've been to many protestant churches of various denominations, and the talk is pretty much the same as what I hear at the Catholic church.